html,body{
    width:100%;
}
body{
    margin:0;padding:0;font-size: 18px;font-family: 微软雅黑;-webkit-touch-callout: none; -webkit-user-select: none;-khtml-user-select: none;-moz-user-select: none; -ms-user-select: none; user-select: none;
    /* pointer-events:none;-webkit-pointer-events:none;-ms-pointer-events:none;-moz-pointer-events:none; */
}
input,button,.content,.van-tabbar-item,.item{
    /* pointer-events:auto;-webkit-pointer-events:auto;-ms-pointer-events:auto;-moz-pointer-events:auto; */
}